Granted Patent
Utility
US 4,647,797 · App. 06/643,506
Assist circuit for improving the rise time of an electronic signal
Inventors:
Ikuo J. Sanwo, Albert P. Chiu, William O. Kerber
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Aug 23, 1984
Inventors
Ikuo J. Sanwo
Albert P. Chiu
William O. Kerber
Assignee (at issue)
NCR Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.